advanced mdx subtitle (arial regular 20 point) xx month 200x (arial regular 16 point)
DESCRIPTION
Presentation titlePage 3 Conditional Calculation Tools ► Inline if (IIF): Returns one of two possible results based on a single test expression ► Case: Returns one of multiple possible results based on multiple test expressions ► Simple Case ► Searched CaseTRANSCRIPT
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Advanced MDX
Subtitle (Arial regular 20 point)
XX Month 200X (Arial regular 16 point)
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Presentation titlePage 2
Agenda
► Conditional Calculations► The tools► Time balance► Variances
► Advanced Member Formulae► Time-based metrics► The generic time design► Using fiscal year crossover time design► Creating analytics dimensions
► Advanced Queries► Select members based on properties► Suppress missing data► Add custom members and sets► Send query output to a file
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Presentation titlePage 3
Conditional Calculation Tools
► Inline if (IIF): Returns one of two possible results based on a single test expression
► Case: Returns one of multiple possible results based on multiple test expressions► Simple Case► Searched Case
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Presentation titlePage 4
IIF Conditional Statements
► Provides one conditional test, which returns Boolean value
► Includes two possible results► True action► False action
► Uses Missing keyword to return #MISSING► Does not support Else branchingIIF (
[Gross Sales] > 900000 AND IsLevel ([Sales People].CurrentMember, 0), [Gross Sales]*.035, Missing
)
Commission value
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Presentation titlePage 5
Simple Case Statement
► Single expression to evaluate► Multiple possible matches and results
Case [Product].CurrentMember.[Drive Size]When [40] Then 1.01When [60] Then 1.03When [80] Then 1.08When [100] Then 1.25Else 1.1
End
Marketing budget percentage
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Presentation titlePage 6
Searched Case Statement
► Multiple expressions to evaluate► Similar to IF with ELSEIF branching in calculation scripts
CaseWhen [Net Sales] > 100000 Then .05When [Net sales] > 10000 Then .03Else .01
End
Commission percentage
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Presentation titlePage 7
Boolean Functions and Conditional Operators
Leverage functions and operators:
Functions Is IsAncestor IsSibling IsGeneration IsLevel IsLeaf IsUDA
Logical Operators NOT AND OR XOR
Comparison Operators > >= < <= = <>
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Presentation titlePage 8
Deriving Variances
► Standard subtraction does not reflect favorable or unfavorable
► Conditional logic for variance and variance percent► UDA for sign flip
► Variance formula:► (Actual - Budget) for non-expense► (Budget - Actual) for expense
► Variance % formula:► ((Actual - Budget) / Budget) for non-expense► ((Budget - Actual) / Budget) for expense
Actual Budget Variance Variance %Gross Sales 100 120 -20 -16.67Discounts (UDA: Expense) 100 120 20 16.67
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Presentation titlePage 9
Agenda
► Conditional Calculations► The tools► Time balance► Variances
► Advanced Member Formulae► Time-based metrics► The generic time design► Using fiscal year crossover time design► Creating analytics dimensions
► Advanced Queries► Select members based on properties► Suppress missing data► Add custom members and sets► Send query output to a file
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Presentation titlePage 10
Time Dimension Design
Time designs:► Generic time design► Fiscal year crossover time design
Metrics:► Period-to-date► Year-over-year► Period-to-period► Rolling averages
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Presentation titlePage 11
Generic Time Designs
Require at least two dimensions:► A time dimension with generic time periods► Discrete years represented in a scenario dimension or in
a separate years dimension
Two-Dimension Design
Three-Dimension Design
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Presentation titlePage 12
Fiscal Year Crossover Designs
Require one of the following:► A continuous, single time
dimension with year-specific time periods
► A continuous, single time dimension with duplicate names
Year-Specific Time Periods
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Presentation titlePage 13
Calculating Time-based Metrics
► Period-to-date► Year-over-year► Period-to-period► Rolling averages
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Presentation titlePage 14
Calculating Period-to-Date
► Sum of specific periodsQTD May (calculated in Time dimension)
► Sum of PeriodsToDateYTD Units (calculated in Measures dimension)
Sum( [Apr], [May] )
Sum( PeriodsToDate ( Generation.[Total Year]), [Period].CurrentMember ), [Units])
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Presentation titlePage 15
Calculating Year-over-Year
► Year-over-year (generic time design)Y/Y FY06 (calculated in the Years dimension)
► Year-over-year (fiscal year crossover design)Y/Y Units (calculated in Measures dimension)
OR[FY06] - [FY05] IIF(IsUDA([Measures], "Expense"), [FY05] - [FY06],[FY06] – [FY05])
([Time].CurrentMember, [Measures].[Units]) - (ParallelPeriod([Time].Generations(2)), [Measures].[Units])
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Presentation titlePage 16
Calculating Period-to-Period
Is there a member prior to the current year OR is there a member prior to the current period?
Is there a member prior to the current period?
Units minus
Units for the prior time period Units for the closing period of the prior year
TRUE
TRUE
FALSE
FALSE
Missing
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Presentation titlePage 17
Calculating Rolling Averages
Is the current period a level 0 member?
Are there at least 5 periods prior to the current period?
Average of
Sales for the latest 6 time periods in the current year
Sales for:[A] all periods through current period in the current year[B] the last six minus the count of current year periods in the previous year
TRUE
TRUE
FALSE
FALSE
Return #MISSING at upper levels
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Presentation titlePage 18
Creating Analytics Dimensions
Non-specific formulas:► Ending balance► Period-to-date► Time variance
To accommodate:1. Place formulas in separate
dimension.2. Add required members.3. Create data load member.4. Save the outline.
Load data
Add formulas
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Presentation titlePage 19
(
[Measures].[Inventory] )
Providing Time Balance Last with Data Functionality
Tail (
).Item(0).Item(0),
Filter ( Descendants ( [Period].CurrentMember, [Period].Levels(0) ), Not IsEmpty ([Measures].[Inventory]) )
1
2
3
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Presentation titlePage 20
Agenda
► Conditional Calculations► The tools► Time balance► Variances
► Advanced Member Formulae► Time-based metrics► The generic time design► Using fiscal year crossover time design► Creating analytics dimensions
► Advanced Queries► Select members based on properties► Suppress missing data► Add custom members and sets► Send query output to a file
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Presentation titlePage 21
Selecting Members Based on Properties
Leverage member properties:► UDAs (User-defined Attributes)► Attributes
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Presentation titlePage 22
Selecting Members by UDA
The Uda function returns a set of members from the input dimension that all share the input UDA string value.
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Presentation titlePage 23
Selecting Members by Attribute
The Attribute function selects members of a base dimension that share the same attribute from a particular attribute dimension.
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Presentation titlePage 24
Suppressing Missing Data
Include the NON EMPTY keyword at the beginning of axis request
…NON EMPTY…
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Presentation titlePage 25
Adding Custom Members and Sets
► Add custom members to hold calculation results not defined in the database
► Add custom sets as aliases for sets in calculations and SELECT clausesWITHSET set_name AS 'set' |MEMBER calculated_member_name AS 'numeric_value_expression'[, solve_order_specification]SELECT ...
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WITHMEMBER [Period].[Q3 Projected] AS'[Period].[Qtr 2] * 1.1'SELECT{ [Period].[Qtr 1], [Period].[Qtr 2], [Period].[Q3 Projected]}ON COLUMNS,{[Geography].Children }ON ROWSFROM [HyptekAS].[HyptekAS]WHERE ([Measures].[Net Sales], [Fiscal Year].[FY06])
Adding Custom Calculated Members
A new calculated member exists as a virtual member for the duration of
the query:
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WITHMEMBER [Period].[Q2 Variance] AS'[Period].[Qtr 2] - [Period].[Qtr 1]'MEMBER [Period].[Q2 Variance %] AS'[Period].[Q2 Variance] / [Period].[Qtr 2] * 100'SELECT{ [Period].[Qtr 1], [Period].[Qtr 2], [Period].[Q2 Variance], [Period].[Q2 Variance %]}ON COLUMNS,{[Geography].Children} ON ROWSFROM [HyptekAS].[HyptekAS]WHERE ([Measures].[Net Sales], [Fiscal Year].[FY06])
Defining Multiple Custom Members
You can define multiple calculated members in the WITH section:
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Presentation titlePage 28
Adding Custom Sets
A custom set exists as a virtual set for the duration of the query:
WITH SET [Special Contracts] AS '{[Customer].[IBM], [Customer].[Dell], [Customer].[Radio Hut], [Customer].[Phoenix Electronics]}'MEMBER [Customer].[Total Special Contracts] AS 'Sum ( [Special Contracts], [Measures].[Units] )'SELECT Descendants([Period].[Qtr 2]) ON COLUMNS, {[Special Contracts], [Customer].[Total Special Contracts]} ON ROWSFROM [HyptekAS.HyptekAS]WHERE ([Measures].[Units], [Fiscal Year].[FY06])
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Presentation titlePage 29
Sending Query Output to a File
Use the MaxL SPOOL command to log the output of an MDX Query to
a file.
MDX Query
MDX Report
MaxL Shell
MaxL Script